Hi,

I get SQL backups (Full & Logs) completed with exceptions sometimes, with the errors shows below.

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2015-06-24 15:15:33 avtar Info <10540>: - Resolved Data Domain Server name "xxxxxxxxxxxxxxxx" to the IP address "xxxxxxxxxx"

2015-06-24 15:15:33 avtar Info <16694>: - Establishing a connection to the Data Domain system with full authentication.

2015-06-24 15:15:33 avtar Warning <18125>: Calling DDR_OPEN returned result code:5008 message:invalid argument

2015-06-24 15:15:33 avtar Error <10542>: Data Domain server " xxxxxxxxxxxxxxxx", LSU: avamar-1391473958 open failed DDR result code: 5008, desc: invalid argument

2015-06-24 15:15:33 avtar Error <10509>: Problem logging into the DDR server:'', only GSAN communication was enabled.

2015-06-24 15:15:33 avtar FATAL <17964>: Backup is incomplete because file "/ddr_files.xml" is missing

2015-06-24 15:15:33 avtar Info <10642>: DDR errors caused the backup to not be posted, errors=0, fatals=0

2015-06-24 15:15:33 avtar Info <12530>: Backup was not committed to the DDR.

2015-06-24 15:15:33 avtar FATAL <8941>: Fatal server connection problem, aborting initialization. Verify correct server address and login credentials.

2015-06-24 15:15:33 avtar Info <6149>: Error summary: 4 errors: 10542, 8941, 10509, 17964

2015-06-24 15:15:33 avtar Info <8468>: Sending wrapup message to parent

2015-06-24 15:15:33 avtar Info <5314>: Command failed (4 errors, 1 warning, exit code 10008: cannot establish connection with server (possible network or DNS failure))

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Can anyone pls help the reason for this error and how to fix it ?

Thanks